/*main.c*/
#include "add.h"
// 需要包含的头文件
#include "add.h"
#include "sub.h"

int main(void)
{
    int a = 20, b = 12;
    float x = 1.23456, y = 9.876543;
    
    printf("int a+b is: %d\n",add_int(a,b));
    printf("int a-b is: %d\n",sub_int(a,b));
    printf("float x+y is: %f\n",add_float(x,y));
    printf("float x-y is: %f\n",sub_float(x,y));
    return 0;
}